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Finding the Fourth Proportional to 352,264.60, 528,008.10 and 194,606.20

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Solution

The fourth proportional to 352,264.60, 528,008.10 and 194,606.20 is: 291,694.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,264.60 : 528,008.10 = 194,606.20 : x
  2. Step 2: Convert to fraction form
    352,264.60/528,008.10 = 194,606.20/x
  3. Step 3: Cross multiply
    352,264.60x = 528,008.10 × 194,606.20
  4. Step 4: Simplify right side
    352,264.60x = 102,753,649,910.22
  5. Step 5: Solve for x
    x = 102,753,649,910.22/352,264.60
  6. Step 6: Final answer
    x = 291,694.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.